Inventor · disambiguated record
Seiji Hara
Also filed as: HARA SEIJI
32 granted patents·6 pending applications·359 citations·filing 1983–2025
96Inventor score
Top patents by PatentIndex Score
38 records- 0198US11514283B2Image forming systemCANON KK·Filed 2021·Granted Nov 29, 2022·5 cites·25 claims
- 0295US11360420B2Image forming apparatus, abnormality diagnosis method, and image forming systemCANON KK·Filed 2021·Granted Jun 14, 2022·3 cites·11 claims
- 0394US11994817B2Image forming apparatusCANON KK·Filed 2021·Granted May 28, 2024·2 cites·11 claims
- 0490US11822276B2Image forming apparatus determining states of members, image forming method, and image forming systemCANON KK·Filed 2022·Granted Nov 21, 2023·1 cites·20 claims
- 0590US11693347B2Image forming apparatusCANON KK·Filed 2022·Granted Jul 4, 2023·1 cites·8 claims
- 0687US4706794AVending machine with a common displaySANYO ELECTRIC CO·Filed 1984·Granted Nov 17, 1987·94 cites·11 claims
- 0786US9717858B2Gasket for prefilled syringe and prefilled syringeSUMITOMO RUBBER IND·Filed 2015·Granted Aug 1, 2017·7 cites·12 claims
- 0885US10120321B2Power transmission apparatus and image forming apparatus comprising the sameCANON KK·Filed 2017·Granted Nov 6, 2018·3 cites·20 claims
- 0984US11442387B2Image forming apparatus determining states of members, image forming method, and image forming systemCANON KK·Filed 2021·Granted Sep 13, 2022·1 cites·14 claims
- 1081US12339607B2Image forming apparatusCANON KK·Filed 2024·Granted Jun 24, 2025·0 cites·11 claims
- 1181US11385587B2Image forming apparatusCANON KK·Filed 2021·Granted Jul 12, 2022·1 cites·22 claims
- 1279US12271138B2Image forming apparatusCANON KK·Filed 2023·Granted Apr 8, 2025·0 cites·7 claims
- 1379US4803682AResetting systemSANYO ELECTRIC CO·Filed 1985·Granted Feb 7, 1989·64 cites·8 claims
- 1478US10928765B2Image forming apparatus determining states of members, image forming method, and image forming systemCANON KK·Filed 2020·Granted Feb 23, 2021·1 cites·22 claims
- 1578US2025189921A1Image forming systemCANON KK·Filed 2025·Application pending·0 cites
- 1676US9063451B2Image forming apparatusCANON KK·Filed 2014·Granted Jun 23, 2015·2 cites·17 claims
- 1775US12248268B2Detection unit for operation sounds of image forming systemCANON KK·Filed 2023·Granted Mar 11, 2025·0 cites·14 claims
- 1872US12124201B2Image forming apparatus, abnormality diagnosis method, and image forming systemCANON KK·Filed 2022·Granted Oct 22, 2024·0 cites·12 claims
- 1971US4834231AVending machine with management mode selection indicatorsSANYO ELECTRIC CO·Filed 1987·Granted May 30, 1989·62 cites·7 claims
- 2069US2024388661A1Image forming system and image forming apparatus, and serverCANON KK·Filed 2024·Application pending·0 cites
- 2168US4608487AInput unit of an automatic vending machineSANYO ELECTRIC CO·Filed 1984·Granted Aug 26, 1986·28 cites·9 claims
- 2267US4598379AControl system of an automatic vending machineSANYO ELECTRIC CO·Filed 1983·Granted Jul 1, 1986·29 cites·9 claims
- 2366US12273487B2Image forming system detecting change in physical quantity (sound) from variable mechanism and determining and notifying an abnormal condition based on the change compared to a thresholdCANON KK·Filed 2023·Granted Apr 8, 2025·0 cites·14 claims
- 2465US8750771B2Image forming apparatus having a plurality of latent image indexesITO YOSHIKUNI·Filed 2012·Granted Jun 10, 2014·1 cites·6 claims
- 2561US4967896AControl arrangement for automatic vending machineTOKYO SANYO ELECTRIC CO·Filed 1988·Granted Nov 6, 1990·34 cites·3 claims
- 2659US12244775B2Sound diagnosis system, information processing apparatus, and computer-readable storage mediumCANON KK·Filed 2023·Granted Mar 4, 2025·0 cites·21 claims
- 2756US2025189920A1Sound diagnostic systemCANON KK·Filed 2024·Application pending·0 cites
- 2856US2025138463A1Image forming system, diagnostic apparatus, and image forming apparatusCANON KK·Filed 2024·Application pending·0 cites
- 2951US10569023B2Medical syringe, gasket used for syringe and method for producing sameSUMITOMO RUBBER IND·Filed 2015·Granted Feb 25, 2020·0 cites·19 claims
- 3048US11635722B2Driving force transmitting device, sheet feeding apparatus and image forming apparatusCANON KK·Filed 2018·Granted Apr 25, 2023·0 cites·12 claims
- 3147US11221584B2Image forming apparatus and cartridge with a coupling member that contacts another coupling member by an electrostatic adsorption forceCANON KK·Filed 2018·Granted Jan 11, 2022·0 cites·5 claims
- 3247US9348287B2Detecting device and image forming apparatusCANON KK·Filed 2015·Granted May 24, 2016·0 cites·10 claims
- 3347US9244421B2Drive transmission device and image forming apparatusCANON KK·Filed 2015·Granted Jan 26, 2016·0 cites·20 claims
- 3447US6201054B1Rubber composition for tire treadSUMITOMO RUBBER IND·Filed 1998·Granted Mar 13, 2001·13 cites·9 claims
- 3544US10683898B2Clutch device, process cartridge and image forming apparatusCANON KK·Filed 2017·Granted Jun 16, 2020·0 cites·5 claims
- 3644US2015147093A1Drive transmission device and image forming apparatusCANON KK·Filed 2014·Application pending·0 cites
- 3742US2015273155A1Gasket for prefilled syringe, and production method thereforSUMITOMO RUBBER IND·Filed 2015·Application pending·0 cites
- 3834US4627056ACheck system for a control boardSANYO ELECTRIC CO·Filed 1984·Granted Dec 2, 1986·7 cites·7 claims
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